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Flowering Boosters & Additives
71 products
PK boosters, flowering stimulants and additives are great for getting the best out of your plants.
Most plants require a slightly different ration of PK (Phosphorous and Potassium) at some point in the flowering and fruiting stage. There are additives suitable for every method of cultivation please speak to us for more advice on the best additives to use on your garden.
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